According to "The Invention of the Sewing Machine," by Grace Rogers Cooper, American Isaac Singer, the producer of sewing machines, came from a poor immigrant German family. In that respect, even though he worked as a mechanic and cabinetmaker, he later became interested in the theater and became an actor in Rochester under the name of Isaac Merritt.
The identity an author creates for himself in a story is known as his , This answer is stated in the analysis of the Mark Twain story "THE PRIVATE HISTORY OF A CAMPAIGN THAT FAILED
